34720520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{3203}}^1$

素因数の和:3485

約数の個数: 32

約数和(自身を含む): 78433920

約数和(自身を除く): 43713400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 3203, 5420, 6406, 10840, 12812, 16015, 25624, 32030, 64060, 128120, 868013, 1736026, 3472052, 4340065, 6944104, 8680130, 17360260, 34720520]

約数ペア:

[(1, 34720520), (2, 17360260), (4, 8680130), (5, 6944104), (8, 4340065), (10, 3472052), (20, 1736026), (40, 868013), (271, 128120), (542, 64060), (1084, 32030), (1355, 25624), (2168, 16015), (2710, 12812), (3203, 10840), (5420, 6406)]